choke vs break down

choke is a noun but break down is not a noun.

Word	Noun	Adjective	Verb	Adverb
choke	Yes	No	Yes	No
break down	No	No	Yes	No

choke (noun)	break down (noun)
a valve that controls the flow of air into the carburetor of a gasoline engine
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current

choke (verb)	break down (verb)
breathe with great difficulty, as when experiencing a strong emotion	collapse due to fatigue, an illness, or a sudden attack
cause to retch or choke	stop operating or functioning
struggle for breath; have insufficient oxygen intake	separate (substances) into constituent elements or parts
constrict (someone's) throat and keep from breathing	make a mathematical, chemical, or grammatical analysis of; break down into components or essential features
reduce the air supply	make ineffective
pass from physical life and lose all bodily attributes and functions necessary to sustain life	cause to fall or collapse
suppress the development, creativity, or imagination of	lose control of one's emotions
become stultified, suppressed, or stifled	fall apart
be too tight; rub or press
become or cause to become obstructed
wring the neck of
impair the respiration of or obstruct the air passage of
check or slow down the action or effect of
fail to perform adequately due to tension or agitation